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Siemens 3RT2024-1BB44 DC Contactor - 12A, 24V DC

Siemens 3RT2024-1BB44 3-pole power contactor with 24V DC coil.

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ManufacturerSiemens

Part number3RT2024-1BB44

Type Power Contactor

Poles 3

AC-3e/AC-3 Rating 12A, 5.5 kW / 400 V

Coil Voltage 24V DC

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AC-3e/AC-3 rated 24V DC coil 2 NO + 2 NC auxiliary contacts Size S0 Removable auxiliary switch Screw terminals

Product description

The Siemens 3RT2024-1BB44 is a 3-pole power contactor for AC-3e/AC-3 applications, rated at 12 A and 5.5 kW at 400 V. It features a 24 V DC coil and includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts. This size S0 contactor uses screw terminals and is equipped with a removable auxiliary switch.

This DC-operated contactor is ideal for applications where a DC control voltage is available, such as in battery-powered systems, specialized control circuits, or remote applications. It is commonly used in industrial automation, renewable energy systems, and DC power distribution.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RT2024-1BB44. We provide reliable, cost-effective solutions to keep your industrial operations running efficiently with quality surplus components.

Technical specifications

Type	Power Contactor
Poles	3
AC-3e/AC-3 Rating	12A, 5.5 kW / 400 V
Coil Voltage	24V DC
Auxiliary Contacts	2 NO + 2 NC
Terminal Type	Screw
Size	S0
Auxiliary Switch	Removable

Common applications

DC Motor Control

Industrial Automation

Renewable Energy

Battery Systems

Control Circuits

Power Distribution

Compatible systems

DC control systems Siemens automation panels 24V DC power sources

Also known as

Siemens 3RT2024-1BB44 Siemens DC Contactor 24V 3RT2 S0 DC Contactor

Replaces / compatible with

This DC-operated contactor is a direct replacement for other Siemens 3RT2 series contactors with a 24V DC coil. It is compatible with Siemens S0 accessories.

Technical note

Expert tip

When using the removable auxiliary switch on the 3RT2024-1BB44, ensure it is securely attached to the main contactor body before energizing the circuit.

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Frequently asked questions

What is the coil voltage for the Siemens 3RT2024-1BB44 contactor?

The Siemens 3RT2024-1BB44 power contactor operates with a 24V DC coil. This makes it suitable for control circuits that utilize direct current.